Steady-State Analysis and Design Considerations of High Voltage Gain Switched Z-Source Inverter With Continuous Input Current

In this paper, a new topology for Z-source inverter based on switched Z-source network is proposed. The proposed switched Z-source inverter can provide high voltage gain in low duty cycles. The continuous input current is one of the other advantages of the proposed inverter. The performance of the proposed inverter is investigated in different operating modes and the voltage and current equations of all elements and equations of critical inductance are calculated. Furthermore, the power losses and efficiency analyses are presented. The comprehensive comparison between the proposed inverter and the other conventional Z-source inverters shows its excellent performance. Finally, to prove the correct operation of the proposed topology, the experimental and simulation results using PSCAD/EMTDC software are presented.

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